1 /* 2 * Copyright 1993-2003 NVIDIA, Corporation 3 * Copyright 2006 Dave Airlie 4 * Copyright 2007 Maarten Maathuis 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 */ 25 #include <drm/drm_crtc_helper.h> 26 #include <drm/drm_fourcc.h> 27 #include <drm/drm_plane_helper.h> 28 #include <drm/drm_vblank.h> 29 30 #include "nouveau_drv.h" 31 #include "nouveau_reg.h" 32 #include "nouveau_ttm.h" 33 #include "nouveau_bo.h" 34 #include "nouveau_gem.h" 35 #include "nouveau_encoder.h" 36 #include "nouveau_connector.h" 37 #include "nouveau_crtc.h" 38 #include "hw.h" 39 #include "nvreg.h" 40 #include "nouveau_fbcon.h" 41 #include "disp.h" 42 #include "nouveau_dma.h" 43 44 #include <subdev/bios/pll.h> 45 #include <subdev/clk.h> 46 47 #include <nvif/push006c.h> 48 49 #include <nvif/event.h> 50 #include <nvif/cl0046.h> 51 52 static int 53 nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 54 struct drm_framebuffer *old_fb); 55 56 static void 57 crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index) 58 { 59 NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index, 60 crtcstate->CRTC[index]); 61 } 62 63 static void nv_crtc_set_digital_vibrance(struct drm_crtc *crtc, int level) 64 { 65 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 66 struct drm_device *dev = crtc->dev; 67 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; 68 69 regp->CRTC[NV_CIO_CRE_CSB] = nv_crtc->saturation = level; 70 if (nv_crtc->saturation && nv_gf4_disp_arch(crtc->dev)) { 71 regp->CRTC[NV_CIO_CRE_CSB] = 0x80; 72 regp->CRTC[NV_CIO_CRE_5B] = nv_crtc->saturation << 2; 73 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_5B); 74 } 75 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_CSB); 76 } 77 78 static void nv_crtc_set_image_sharpening(struct drm_crtc *crtc, int level) 79 { 80 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 81 struct drm_device *dev = crtc->dev; 82 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; 83 84 nv_crtc->sharpness = level; 85 if (level < 0) /* blur is in hw range 0x3f -> 0x20 */ 86 level += 0x40; 87 regp->ramdac_634 = level; 88 NVWriteRAMDAC(crtc->dev, nv_crtc->index, NV_PRAMDAC_634, regp->ramdac_634); 89 } 90 91 #define PLLSEL_VPLL1_MASK \ 92 (NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_VPLL \ 93 | NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO_DB2) 94 #define PLLSEL_VPLL2_MASK \ 95 (NV_PRAMDAC_PLL_COEFF_SELECT_PLL_SOURCE_VPLL2 \ 96 | NV_PRAMDAC_PLL_COEFF_SELECT_VCLK2_RATIO_DB2) 97 #define PLLSEL_TV_MASK \ 98 (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \ 99 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1 \ 100 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \ 101 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2) 102 103 /* NV4x 0x40.. pll notes: 104 * gpu pll: 0x4000 + 0x4004 105 * ?gpu? pll: 0x4008 + 0x400c 106 * vpll1: 0x4010 + 0x4014 107 * vpll2: 0x4018 + 0x401c 108 * mpll: 0x4020 + 0x4024 109 * mpll: 0x4038 + 0x403c 110 * 111 * the first register of each pair has some unknown details: 112 * bits 0-7: redirected values from elsewhere? (similar to PLL_SETUP_CONTROL?) 113 * bits 20-23: (mpll) something to do with post divider? 114 * bits 28-31: related to single stage mode? (bit 8/12) 115 */ 116 117 static void nv_crtc_calc_state_ext(struct drm_crtc *crtc, struct drm_display_mode * mode, int dot_clock) 118 { 119 struct drm_device *dev = crtc->dev; 120 struct nouveau_drm *drm = nouveau_drm(dev); 121 struct nvkm_bios *bios = nvxx_bios(&drm->client.device); 122 struct nvkm_clk *clk = nvxx_clk(&drm->client.device); 123 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 124 struct nv04_mode_state *state = &nv04_display(dev)->mode_reg; 125 struct nv04_crtc_reg *regp = &state->crtc_reg[nv_crtc->index]; 126 struct nvkm_pll_vals *pv = ®p->pllvals; 127 struct nvbios_pll pll_lim; 128 129 if (nvbios_pll_parse(bios, nv_crtc->index ? PLL_VPLL1 : PLL_VPLL0, 130 &pll_lim)) 131 return; 132 133 /* NM2 == 0 is used to determine single stage mode on two stage plls */ 134 pv->NM2 = 0; 135 136 /* for newer nv4x the blob uses only the first stage of the vpll below a 137 * certain clock. for a certain nv4b this is 150MHz. since the max 138 * output frequency of the first stage for this card is 300MHz, it is 139 * assumed the threshold is given by vco1 maxfreq/2 140 */ 141 /* for early nv4x, specifically nv40 and *some* nv43 (devids 0 and 6, 142 * not 8, others unknown), the blob always uses both plls. no problem 143 * has yet been observed in allowing the use a single stage pll on all 144 * nv43 however. the behaviour of single stage use is untested on nv40 145 */ 146 if (drm->client.device.info.chipset > 0x40 && dot_clock <= (pll_lim.vco1.max_freq / 2)) 147 memset(&pll_lim.vco2, 0, sizeof(pll_lim.vco2)); 148 149 150 if (!clk->pll_calc(clk, &pll_lim, dot_clock, pv)) 151 return; 152 153 state->pllsel &= PLLSEL_VPLL1_MASK | PLLSEL_VPLL2_MASK | PLLSEL_TV_MASK; 154 155 /* The blob uses this always, so let's do the same */ 156 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE) 157 state->pllsel |= NV_PRAMDAC_PLL_COEFF_SELECT_USE_VPLL2_TRUE; 158 /* again nv40 and some nv43 act more like nv3x as described above */ 159 if (drm->client.device.info.chipset < 0x41) 160 state->pllsel |= NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_MPLL | 161 NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_NVPLL; 162 state->pllsel |= nv_crtc->index ? PLLSEL_VPLL2_MASK : PLLSEL_VPLL1_MASK; 163 164 if (pv->NM2) 165 NV_DEBUG(drm, "vpll: n1 %d n2 %d m1 %d m2 %d log2p %d\n", 166 pv->N1, pv->N2, pv->M1, pv->M2, pv->log2P); 167 else 168 NV_DEBUG(drm, "vpll: n %d m %d log2p %d\n", 169 pv->N1, pv->M1, pv->log2P); 170 171 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset); 172 } 173 174 static void 175 nv_crtc_dpms(struct drm_crtc *crtc, int mode) 176 { 177 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 178 struct drm_device *dev = crtc->dev; 179 struct nouveau_drm *drm = nouveau_drm(dev); 180 unsigned char seq1 = 0, crtc17 = 0; 181 unsigned char crtc1A; 182 183 NV_DEBUG(drm, "Setting dpms mode %d on CRTC %d\n", mode, 184 nv_crtc->index); 185 186 if (nv_crtc->last_dpms == mode) /* Don't do unnecessary mode changes. */ 187 return; 188 189 nv_crtc->last_dpms = mode; 190 191 if (nv_two_heads(dev)) 192 NVSetOwner(dev, nv_crtc->index); 193 194 /* nv4ref indicates these two RPC1 bits inhibit h/v sync */ 195 crtc1A = NVReadVgaCrtc(dev, nv_crtc->index, 196 NV_CIO_CRE_RPC1_INDEX) & ~0xC0; 197 switch (mode) { 198 case DRM_MODE_DPMS_STANDBY: 199 /* Screen: Off; HSync: Off, VSync: On -- Not Supported */ 200 seq1 = 0x20; 201 crtc17 = 0x80; 202 crtc1A |= 0x80; 203 break; 204 case DRM_MODE_DPMS_SUSPEND: 205 /* Screen: Off; HSync: On, VSync: Off -- Not Supported */ 206 seq1 = 0x20; 207 crtc17 = 0x80; 208 crtc1A |= 0x40; 209 break; 210 case DRM_MODE_DPMS_OFF: 211 /* Screen: Off; HSync: Off, VSync: Off */ 212 seq1 = 0x20; 213 crtc17 = 0x00; 214 crtc1A |= 0xC0; 215 break; 216 case DRM_MODE_DPMS_ON: 217 default: 218 /* Screen: On; HSync: On, VSync: On */ 219 seq1 = 0x00; 220 crtc17 = 0x80; 221 break; 222 } 223 224 NVVgaSeqReset(dev, nv_crtc->index, true); 225 /* Each head has it's own sequencer, so we can turn it off when we want */ 226 seq1 |= (NVReadVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX) & ~0x20); 227 NVWriteVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX, seq1); 228 crtc17 |= (NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CR_MODE_INDEX) & ~0x80); 229 mdelay(10); 230 NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CR_MODE_INDEX, crtc17); 231 NVVgaSeqReset(dev, nv_crtc->index, false); 232 233 NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RPC1_INDEX, crtc1A); 234 } 235 236 static void 237 nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode) 238 { 239 struct drm_device *dev = crtc->dev; 240 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 241 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; 242 struct drm_framebuffer *fb = crtc->primary->fb; 243 244 /* Calculate our timings */ 245 int horizDisplay = (mode->crtc_hdisplay >> 3) - 1; 246 int horizStart = (mode->crtc_hsync_start >> 3) + 1; 247 int horizEnd = (mode->crtc_hsync_end >> 3) + 1; 248 int horizTotal = (mode->crtc_htotal >> 3) - 5; 249 int horizBlankStart = (mode->crtc_hdisplay >> 3) - 1; 250 int horizBlankEnd = (mode->crtc_htotal >> 3) - 1; 251 int vertDisplay = mode->crtc_vdisplay - 1; 252 int vertStart = mode->crtc_vsync_start - 1; 253 int vertEnd = mode->crtc_vsync_end - 1; 254 int vertTotal = mode->crtc_vtotal - 2; 255 int vertBlankStart = mode->crtc_vdisplay - 1; 256 int vertBlankEnd = mode->crtc_vtotal - 1; 257 258 struct drm_encoder *encoder; 259 bool fp_output = false; 260 261 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 262 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); 263 264 if (encoder->crtc == crtc && 265 (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 266 nv_encoder->dcb->type == DCB_OUTPUT_TMDS)) 267 fp_output = true; 268 } 269 270 if (fp_output) { 271 vertStart = vertTotal - 3; 272 vertEnd = vertTotal - 2; 273 vertBlankStart = vertStart; 274 horizStart = horizTotal - 5; 275 horizEnd = horizTotal - 2; 276 horizBlankEnd = horizTotal + 4; 277 #if 0 278 if (dev->overlayAdaptor && drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS) 279 /* This reportedly works around some video overlay bandwidth problems */ 280 horizTotal += 2; 281 #endif 282 } 283 284 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 285 vertTotal |= 1; 286 287 #if 0 288 ErrorF("horizDisplay: 0x%X \n", horizDisplay); 289 ErrorF("horizStart: 0x%X \n", horizStart); 290 ErrorF("horizEnd: 0x%X \n", horizEnd); 291 ErrorF("horizTotal: 0x%X \n", horizTotal); 292 ErrorF("horizBlankStart: 0x%X \n", horizBlankStart); 293 ErrorF("horizBlankEnd: 0x%X \n", horizBlankEnd); 294 ErrorF("vertDisplay: 0x%X \n", vertDisplay); 295 ErrorF("vertStart: 0x%X \n", vertStart); 296 ErrorF("vertEnd: 0x%X \n", vertEnd); 297 ErrorF("vertTotal: 0x%X \n", vertTotal); 298 ErrorF("vertBlankStart: 0x%X \n", vertBlankStart); 299 ErrorF("vertBlankEnd: 0x%X \n", vertBlankEnd); 300 #endif 301 302 /* 303 * compute correct Hsync & Vsync polarity 304 */ 305 if ((mode->flags & (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC)) 306 && (mode->flags & (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) { 307 308 regp->MiscOutReg = 0x23; 309 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 310 regp->MiscOutReg |= 0x40; 311 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 312 regp->MiscOutReg |= 0x80; 313 } else { 314 int vdisplay = mode->vdisplay; 315 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 316 vdisplay *= 2; 317 if (mode->vscan > 1) 318 vdisplay *= mode->vscan; 319 if (vdisplay < 400) 320 regp->MiscOutReg = 0xA3; /* +hsync -vsync */ 321 else if (vdisplay < 480) 322 regp->MiscOutReg = 0x63; /* -hsync +vsync */ 323 else if (vdisplay < 768) 324 regp->MiscOutReg = 0xE3; /* -hsync -vsync */ 325 else 326 regp->MiscOutReg = 0x23; /* +hsync +vsync */ 327 } 328 329 /* 330 * Time Sequencer 331 */ 332 regp->Sequencer[NV_VIO_SR_RESET_INDEX] = 0x00; 333 /* 0x20 disables the sequencer */ 334 if (mode->flags & DRM_MODE_FLAG_CLKDIV2) 335 regp->Sequencer[NV_VIO_SR_CLOCK_INDEX] = 0x29; 336 else 337 regp->Sequencer[NV_VIO_SR_CLOCK_INDEX] = 0x21; 338 regp->Sequencer[NV_VIO_SR_PLANE_MASK_INDEX] = 0x0F; 339 regp->Sequencer[NV_VIO_SR_CHAR_MAP_INDEX] = 0x00; 340 regp->Sequencer[NV_VIO_SR_MEM_MODE_INDEX] = 0x0E; 341 342 /* 343 * CRTC 344 */ 345 regp->CRTC[NV_CIO_CR_HDT_INDEX] = horizTotal; 346 regp->CRTC[NV_CIO_CR_HDE_INDEX] = horizDisplay; 347 regp->CRTC[NV_CIO_CR_HBS_INDEX] = horizBlankStart; 348 regp->CRTC[NV_CIO_CR_HBE_INDEX] = (1 << 7) | 349 XLATE(horizBlankEnd, 0, NV_CIO_CR_HBE_4_0); 350 regp->CRTC[NV_CIO_CR_HRS_INDEX] = horizStart; 351 regp->CRTC[NV_CIO_CR_HRE_INDEX] = XLATE(horizBlankEnd, 5, NV_CIO_CR_HRE_HBE_5) | 352 XLATE(horizEnd, 0, NV_CIO_CR_HRE_4_0); 353 regp->CRTC[NV_CIO_CR_VDT_INDEX] = vertTotal; 354 regp->CRTC[NV_CIO_CR_OVL_INDEX] = XLATE(vertStart, 9, NV_CIO_CR_OVL_VRS_9) | 355 XLATE(vertDisplay, 9, NV_CIO_CR_OVL_VDE_9) | 356 XLATE(vertTotal, 9, NV_CIO_CR_OVL_VDT_9) | 357 (1 << 4) | 358 XLATE(vertBlankStart, 8, NV_CIO_CR_OVL_VBS_8) | 359 XLATE(vertStart, 8, NV_CIO_CR_OVL_VRS_8) | 360 XLATE(vertDisplay, 8, NV_CIO_CR_OVL_VDE_8) | 361 XLATE(vertTotal, 8, NV_CIO_CR_OVL_VDT_8); 362 regp->CRTC[NV_CIO_CR_RSAL_INDEX] = 0x00; 363 regp->CRTC[NV_CIO_CR_CELL_HT_INDEX] = ((mode->flags & DRM_MODE_FLAG_DBLSCAN) ? MASK(NV_CIO_CR_CELL_HT_SCANDBL) : 0) | 364 1 << 6 | 365 XLATE(vertBlankStart, 9, NV_CIO_CR_CELL_HT_VBS_9); 366 regp->CRTC[NV_CIO_CR_CURS_ST_INDEX] = 0x00; 367 regp->CRTC[NV_CIO_CR_CURS_END_INDEX] = 0x00; 368 regp->CRTC[NV_CIO_CR_SA_HI_INDEX] = 0x00; 369 regp->CRTC[NV_CIO_CR_SA_LO_INDEX] = 0x00; 370 regp->CRTC[NV_CIO_CR_TCOFF_HI_INDEX] = 0x00; 371 regp->CRTC[NV_CIO_CR_TCOFF_LO_INDEX] = 0x00; 372 regp->CRTC[NV_CIO_CR_VRS_INDEX] = vertStart; 373 regp->CRTC[NV_CIO_CR_VRE_INDEX] = 1 << 5 | XLATE(vertEnd, 0, NV_CIO_CR_VRE_3_0); 374 regp->CRTC[NV_CIO_CR_VDE_INDEX] = vertDisplay; 375 /* framebuffer can be larger than crtc scanout area. */ 376 regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitches[0] / 8; 377 regp->CRTC[NV_CIO_CR_ULINE_INDEX] = 0x00; 378 regp->CRTC[NV_CIO_CR_VBS_INDEX] = vertBlankStart; 379 regp->CRTC[NV_CIO_CR_VBE_INDEX] = vertBlankEnd; 380 regp->CRTC[NV_CIO_CR_MODE_INDEX] = 0x43; 381 regp->CRTC[NV_CIO_CR_LCOMP_INDEX] = 0xff; 382 383 /* 384 * Some extended CRTC registers (they are not saved with the rest of the vga regs). 385 */ 386 387 /* framebuffer can be larger than crtc scanout area. */ 388 regp->CRTC[NV_CIO_CRE_RPC0_INDEX] = 389 XLATE(fb->pitches[0] / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8); 390 regp->CRTC[NV_CIO_CRE_42] = 391 XLATE(fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11); 392 regp->CRTC[NV_CIO_CRE_RPC1_INDEX] = mode->crtc_hdisplay < 1280 ? 393 MASK(NV_CIO_CRE_RPC1_LARGE) : 0x00; 394 regp->CRTC[NV_CIO_CRE_LSR_INDEX] = XLATE(horizBlankEnd, 6, NV_CIO_CRE_LSR_HBE_6) | 395 XLATE(vertBlankStart, 10, NV_CIO_CRE_LSR_VBS_10) | 396 XLATE(vertStart, 10, NV_CIO_CRE_LSR_VRS_10) | 397 XLATE(vertDisplay, 10, NV_CIO_CRE_LSR_VDE_10) | 398 XLATE(vertTotal, 10, NV_CIO_CRE_LSR_VDT_10); 399 regp->CRTC[NV_CIO_CRE_HEB__INDEX] = XLATE(horizStart, 8, NV_CIO_CRE_HEB_HRS_8) | 400 XLATE(horizBlankStart, 8, NV_CIO_CRE_HEB_HBS_8) | 401 XLATE(horizDisplay, 8, NV_CIO_CRE_HEB_HDE_8) | 402 XLATE(horizTotal, 8, NV_CIO_CRE_HEB_HDT_8); 403 regp->CRTC[NV_CIO_CRE_EBR_INDEX] = XLATE(vertBlankStart, 11, NV_CIO_CRE_EBR_VBS_11) | 404 XLATE(vertStart, 11, NV_CIO_CRE_EBR_VRS_11) | 405 XLATE(vertDisplay, 11, NV_CIO_CRE_EBR_VDE_11) | 406 XLATE(vertTotal, 11, NV_CIO_CRE_EBR_VDT_11); 407 408 if (mode->flags & DRM_MODE_FLAG_INTERLACE) { 409 horizTotal = (horizTotal >> 1) & ~1; 410 regp->CRTC[NV_CIO_CRE_ILACE__INDEX] = horizTotal; 411 regp->CRTC[NV_CIO_CRE_HEB__INDEX] |= XLATE(horizTotal, 8, NV_CIO_CRE_HEB_ILC_8); 412 } else 413 regp->CRTC[NV_CIO_CRE_ILACE__INDEX] = 0xff; /* interlace off */ 414 415 /* 416 * Graphics Display Controller 417 */ 418 regp->Graphics[NV_VIO_GX_SR_INDEX] = 0x00; 419 regp->Graphics[NV_VIO_GX_SREN_INDEX] = 0x00; 420 regp->Graphics[NV_VIO_GX_CCOMP_INDEX] = 0x00; 421 regp->Graphics[NV_VIO_GX_ROP_INDEX] = 0x00; 422 regp->Graphics[NV_VIO_GX_READ_MAP_INDEX] = 0x00; 423 regp->Graphics[NV_VIO_GX_MODE_INDEX] = 0x40; /* 256 color mode */ 424 regp->Graphics[NV_VIO_GX_MISC_INDEX] = 0x05; /* map 64k mem + graphic mode */ 425 regp->Graphics[NV_VIO_GX_DONT_CARE_INDEX] = 0x0F; 426 regp->Graphics[NV_VIO_GX_BIT_MASK_INDEX] = 0xFF; 427 428 regp->Attribute[0] = 0x00; /* standard colormap translation */ 429 regp->Attribute[1] = 0x01; 430 regp->Attribute[2] = 0x02; 431 regp->Attribute[3] = 0x03; 432 regp->Attribute[4] = 0x04; 433 regp->Attribute[5] = 0x05; 434 regp->Attribute[6] = 0x06; 435 regp->Attribute[7] = 0x07; 436 regp->Attribute[8] = 0x08; 437 regp->Attribute[9] = 0x09; 438 regp->Attribute[10] = 0x0A; 439 regp->Attribute[11] = 0x0B; 440 regp->Attribute[12] = 0x0C; 441 regp->Attribute[13] = 0x0D; 442 regp->Attribute[14] = 0x0E; 443 regp->Attribute[15] = 0x0F; 444 regp->Attribute[NV_CIO_AR_MODE_INDEX] = 0x01; /* Enable graphic mode */ 445 /* Non-vga */ 446 regp->Attribute[NV_CIO_AR_OSCAN_INDEX] = 0x00; 447 regp->Attribute[NV_CIO_AR_PLANE_INDEX] = 0x0F; /* enable all color planes */ 448 regp->Attribute[NV_CIO_AR_HPP_INDEX] = 0x00; 449 regp->Attribute[NV_CIO_AR_CSEL_INDEX] = 0x00; 450 } 451 452 /** 453 * Sets up registers for the given mode/adjusted_mode pair. 454 * 455 * The clocks, CRTCs and outputs attached to this CRTC must be off. 456 * 457 * This shouldn't enable any clocks, CRTCs, or outputs, but they should 458 * be easily turned on/off after this. 459 */ 460 static void 461 nv_crtc_mode_set_regs(struct drm_crtc *crtc, struct drm_display_mode * mode) 462 { 463 struct drm_device *dev = crtc->dev; 464 struct nouveau_drm *drm = nouveau_drm(dev); 465 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 466 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; 467 struct nv04_crtc_reg *savep = &nv04_display(dev)->saved_reg.crtc_reg[nv_crtc->index]; 468 const struct drm_framebuffer *fb = crtc->primary->fb; 469 struct drm_encoder *encoder; 470 bool lvds_output = false, tmds_output = false, tv_output = false, 471 off_chip_digital = false; 472 473 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 474 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); 475 bool digital = false; 476 477 if (encoder->crtc != crtc) 478 continue; 479 480 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS) 481 digital = lvds_output = true; 482 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 483 tv_output = true; 484 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 485 digital = tmds_output = true; 486 if (nv_encoder->dcb->location != DCB_LOC_ON_CHIP && digital) 487 off_chip_digital = true; 488 } 489 490 /* Registers not directly related to the (s)vga mode */ 491 492 /* What is the meaning of this register? */ 493 /* A few popular values are 0x18, 0x1c, 0x38, 0x3c */ 494 regp->CRTC[NV_CIO_CRE_ENH_INDEX] = savep->CRTC[NV_CIO_CRE_ENH_INDEX] & ~(1<<5); 495 496 regp->crtc_eng_ctrl = 0; 497 /* Except for rare conditions I2C is enabled on the primary crtc */ 498 if (nv_crtc->index == 0) 499 regp->crtc_eng_ctrl |= NV_CRTC_FSEL_I2C; 500 #if 0 501 /* Set overlay to desired crtc. */ 502 if (dev->overlayAdaptor) { 503 NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(dev); 504 if (pPriv->overlayCRTC == nv_crtc->index) 505 regp->crtc_eng_ctrl |= NV_CRTC_FSEL_OVERLAY; 506 } 507 #endif 508 509 /* ADDRESS_SPACE_PNVM is the same as setting HCUR_ASI */ 510 regp->cursor_cfg = NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64 | 511 NV_PCRTC_CURSOR_CONFIG_CUR_PIXELS_64 | 512 NV_PCRTC_CURSOR_CONFIG_ADDRESS_SPACE_PNVM; 513 if (drm->client.device.info.chipset >= 0x11) 514 regp->cursor_cfg |= NV_PCRTC_CURSOR_CONFIG_CUR_BPP_32; 515 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 516 regp->cursor_cfg |= NV_PCRTC_CURSOR_CONFIG_DOUBLE_SCAN_ENABLE; 517 518 /* Unblock some timings */ 519 regp->CRTC[NV_CIO_CRE_53] = 0; 520 regp->CRTC[NV_CIO_CRE_54] = 0; 521 522 /* 0x00 is disabled, 0x11 is lvds, 0x22 crt and 0x88 tmds */ 523 if (lvds_output) 524 regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x11; 525 else if (tmds_output) 526 regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x88; 527 else 528 regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x22; 529 530 /* These values seem to vary */ 531 /* This register seems to be used by the bios to make certain decisions on some G70 cards? */ 532 regp->CRTC[NV_CIO_CRE_SCRATCH4__INDEX] = savep->CRTC[NV_CIO_CRE_SCRATCH4__INDEX]; 533 534 nv_crtc_set_digital_vibrance(crtc, nv_crtc->saturation); 535 536 /* probably a scratch reg, but kept for cargo-cult purposes: 537 * bit0: crtc0?, head A 538 * bit6: lvds, head A 539 * bit7: (only in X), head A 540 */ 541 if (nv_crtc->index == 0) 542 regp->CRTC[NV_CIO_CRE_4B] = savep->CRTC[NV_CIO_CRE_4B] | 0x80; 543 544 /* The blob seems to take the current value from crtc 0, add 4 to that 545 * and reuse the old value for crtc 1 */ 546 regp->CRTC[NV_CIO_CRE_TVOUT_LATENCY] = nv04_display(dev)->saved_reg.crtc_reg[0].CRTC[NV_CIO_CRE_TVOUT_LATENCY]; 547 if (!nv_crtc->index) 548 regp->CRTC[NV_CIO_CRE_TVOUT_LATENCY] += 4; 549 550 /* the blob sometimes sets |= 0x10 (which is the same as setting |= 551 * 1 << 30 on 0x60.830), for no apparent reason */ 552 regp->CRTC[NV_CIO_CRE_59] = off_chip_digital; 553 554 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_RANKINE) 555 regp->CRTC[0x9f] = off_chip_digital ? 0x11 : 0x1; 556 557 regp->crtc_830 = mode->crtc_vdisplay - 3; 558 regp->crtc_834 = mode->crtc_vdisplay - 1; 559 560 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE) 561 /* This is what the blob does */ 562 regp->crtc_850 = NVReadCRTC(dev, 0, NV_PCRTC_850); 563 564 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_RANKINE) 565 regp->gpio_ext = NVReadCRTC(dev, 0, NV_PCRTC_GPIO_EXT); 566 567 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS) 568 regp->crtc_cfg = NV10_PCRTC_CONFIG_START_ADDRESS_HSYNC; 569 else 570 regp->crtc_cfg = NV04_PCRTC_CONFIG_START_ADDRESS_HSYNC; 571 572 /* Some misc regs */ 573 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE) { 574 regp->CRTC[NV_CIO_CRE_85] = 0xFF; 575 regp->CRTC[NV_CIO_CRE_86] = 0x1; 576 } 577 578 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] = (fb->format->depth + 1) / 8; 579 /* Enable slaved mode (called MODE_TV in nv4ref.h) */ 580 if (lvds_output || tmds_output || tv_output) 581 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] |= (1 << 7); 582 583 /* Generic PRAMDAC regs */ 584 585 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS) 586 /* Only bit that bios and blob set. */ 587 regp->nv10_cursync = (1 << 25); 588 589 regp->ramdac_gen_ctrl = NV_PRAMDAC_GENERAL_CONTROL_BPC_8BITS | 590 NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE_SEL | 591 NV_PRAMDAC_GENERAL_CONTROL_PIXMIX_ON; 592 if (fb->format->depth == 16) 593 regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL; 594 if (drm->client.device.info.chipset >= 0x11) 595 regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_PIPE_LONG; 596 597 regp->ramdac_630 = 0; /* turn off green mode (tv test pattern?) */ 598 regp->tv_setup = 0; 599 600 nv_crtc_set_image_sharpening(crtc, nv_crtc->sharpness); 601 602 /* Some values the blob sets */ 603 regp->ramdac_8c0 = 0x100; 604 regp->ramdac_a20 = 0x0; 605 regp->ramdac_a24 = 0xfffff; 606 regp->ramdac_a34 = 0x1; 607 } 608 609 static int 610 nv_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb) 611 { 612 struct nv04_display *disp = nv04_display(crtc->dev); 613 struct drm_framebuffer *fb = crtc->primary->fb; 614 struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); 615 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 616 int ret; 617 618 ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, false); 619 if (ret == 0) { 620 if (disp->image[nv_crtc->index]) 621 nouveau_bo_unpin(disp->image[nv_crtc->index]); 622 nouveau_bo_ref(nvbo, &disp->image[nv_crtc->index]); 623 } 624 625 return ret; 626 } 627 628 /** 629 * Sets up registers for the given mode/adjusted_mode pair. 630 * 631 * The clocks, CRTCs and outputs attached to this CRTC must be off. 632 * 633 * This shouldn't enable any clocks, CRTCs, or outputs, but they should 634 * be easily turned on/off after this. 635 */ 636 static int 637 nv_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, 638 struct drm_display_mode *adjusted_mode, 639 int x, int y, struct drm_framebuffer *old_fb) 640 { 641 struct drm_device *dev = crtc->dev; 642 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 643 struct nouveau_drm *drm = nouveau_drm(dev); 644 int ret; 645 646 NV_DEBUG(drm, "CTRC mode on CRTC %d:\n", nv_crtc->index); 647 drm_mode_debug_printmodeline(adjusted_mode); 648 649 ret = nv_crtc_swap_fbs(crtc, old_fb); 650 if (ret) 651 return ret; 652 653 /* unlock must come after turning off FP_TG_CONTROL in output_prepare */ 654 nv_lock_vga_crtc_shadow(dev, nv_crtc->index, -1); 655 656 nv_crtc_mode_set_vga(crtc, adjusted_mode); 657 /* calculated in nv04_dfp_prepare, nv40 needs it written before calculating PLLs */ 658 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE) 659 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, nv04_display(dev)->mode_reg.sel_clk); 660 nv_crtc_mode_set_regs(crtc, adjusted_mode); 661 nv_crtc_calc_state_ext(crtc, mode, adjusted_mode->clock); 662 return 0; 663 } 664 665 static void nv_crtc_save(struct drm_crtc *crtc) 666 { 667 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 668 struct drm_device *dev = crtc->dev; 669 struct nv04_mode_state *state = &nv04_display(dev)->mode_reg; 670 struct nv04_crtc_reg *crtc_state = &state->crtc_reg[nv_crtc->index]; 671 struct nv04_mode_state *saved = &nv04_display(dev)->saved_reg; 672 struct nv04_crtc_reg *crtc_saved = &saved->crtc_reg[nv_crtc->index]; 673 674 if (nv_two_heads(crtc->dev)) 675 NVSetOwner(crtc->dev, nv_crtc->index); 676 677 nouveau_hw_save_state(crtc->dev, nv_crtc->index, saved); 678 679 /* init some state to saved value */ 680 state->sel_clk = saved->sel_clk & ~(0x5 << 16); 681 crtc_state->CRTC[NV_CIO_CRE_LCD__INDEX] = crtc_saved->CRTC[NV_CIO_CRE_LCD__INDEX]; 682 state->pllsel = saved->pllsel & ~(PLLSEL_VPLL1_MASK | PLLSEL_VPLL2_MASK | PLLSEL_TV_MASK); 683 crtc_state->gpio_ext = crtc_saved->gpio_ext; 684 } 685 686 static void nv_crtc_restore(struct drm_crtc *crtc) 687 { 688 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 689 struct drm_device *dev = crtc->dev; 690 int head = nv_crtc->index; 691 uint8_t saved_cr21 = nv04_display(dev)->saved_reg.crtc_reg[head].CRTC[NV_CIO_CRE_21]; 692 693 if (nv_two_heads(crtc->dev)) 694 NVSetOwner(crtc->dev, head); 695 696 nouveau_hw_load_state(crtc->dev, head, &nv04_display(dev)->saved_reg); 697 nv_lock_vga_crtc_shadow(crtc->dev, head, saved_cr21); 698 699 nv_crtc->last_dpms = NV_DPMS_CLEARED; 700 } 701 702 static void nv_crtc_prepare(struct drm_crtc *crtc) 703 { 704 struct drm_device *dev = crtc->dev; 705 struct nouveau_drm *drm = nouveau_drm(dev); 706 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 707 const struct drm_crtc_helper_funcs *funcs = crtc->helper_private; 708 709 if (nv_two_heads(dev)) 710 NVSetOwner(dev, nv_crtc->index); 711 712 drm_crtc_vblank_off(crtc); 713 funcs->dpms(crtc, DRM_MODE_DPMS_OFF); 714 715 NVBlankScreen(dev, nv_crtc->index, true); 716 717 /* Some more preparation. */ 718 NVWriteCRTC(dev, nv_crtc->index, NV_PCRTC_CONFIG, NV_PCRTC_CONFIG_START_ADDRESS_NON_VGA); 719 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE) { 720 uint32_t reg900 = NVReadRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_900); 721 NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_900, reg900 & ~0x10000); 722 } 723 } 724 725 static void nv_crtc_commit(struct drm_crtc *crtc) 726 { 727 struct drm_device *dev = crtc->dev; 728 const struct drm_crtc_helper_funcs *funcs = crtc->helper_private; 729 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 730 731 nouveau_hw_load_state(dev, nv_crtc->index, &nv04_display(dev)->mode_reg); 732 nv04_crtc_mode_set_base(crtc, crtc->x, crtc->y, NULL); 733 734 #ifdef __BIG_ENDIAN 735 /* turn on LFB swapping */ 736 { 737 uint8_t tmp = NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RCR); 738 tmp |= MASK(NV_CIO_CRE_RCR_ENDIAN_BIG); 739 NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RCR, tmp); 740 } 741 #endif 742 743 funcs->dpms(crtc, DRM_MODE_DPMS_ON); 744 drm_crtc_vblank_on(crtc); 745 } 746 747 static void nv_crtc_destroy(struct drm_crtc *crtc) 748 { 749 struct nv04_display *disp = nv04_display(crtc->dev); 750 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 751 752 if (!nv_crtc) 753 return; 754 755 drm_crtc_cleanup(crtc); 756 757 if (disp->image[nv_crtc->index]) 758 nouveau_bo_unpin(disp->image[nv_crtc->index]); 759 nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]); 760 761 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 762 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 763 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); 764 nvif_notify_dtor(&nv_crtc->vblank); 765 kfree(nv_crtc); 766 } 767 768 static void 769 nv_crtc_gamma_load(struct drm_crtc *crtc) 770 { 771 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 772 struct drm_device *dev = nv_crtc->base.dev; 773 struct rgb { uint8_t r, g, b; } __attribute__((packed)) *rgbs; 774 u16 *r, *g, *b; 775 int i; 776 777 rgbs = (struct rgb *)nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index].DAC; 778 r = crtc->gamma_store; 779 g = r + crtc->gamma_size; 780 b = g + crtc->gamma_size; 781 782 for (i = 0; i < 256; i++) { 783 rgbs[i].r = *r++ >> 8; 784 rgbs[i].g = *g++ >> 8; 785 rgbs[i].b = *b++ >> 8; 786 } 787 788 nouveau_hw_load_state_palette(dev, nv_crtc->index, &nv04_display(dev)->mode_reg); 789 } 790 791 static void 792 nv_crtc_disable(struct drm_crtc *crtc) 793 { 794 struct nv04_display *disp = nv04_display(crtc->dev); 795 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 796 if (disp->image[nv_crtc->index]) 797 nouveau_bo_unpin(disp->image[nv_crtc->index]); 798 nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]); 799 } 800 801 static int 802 nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, 803 uint32_t size, 804 struct drm_modeset_acquire_ctx *ctx) 805 { 806 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 807 808 /* We need to know the depth before we upload, but it's possible to 809 * get called before a framebuffer is bound. If this is the case, 810 * mark the lut values as dirty by setting depth==0, and it'll be 811 * uploaded on the first mode_set_base() 812 */ 813 if (!nv_crtc->base.primary->fb) { 814 nv_crtc->lut.depth = 0; 815 return 0; 816 } 817 818 nv_crtc_gamma_load(crtc); 819 820 return 0; 821 } 822 823 static int 824 nv04_crtc_do_mode_set_base(struct drm_crtc *crtc, 825 struct drm_framebuffer *passed_fb, 826 int x, int y, bool atomic) 827 { 828 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 829 struct drm_device *dev = crtc->dev; 830 struct nouveau_drm *drm = nouveau_drm(dev); 831 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; 832 struct nouveau_bo *nvbo; 833 struct drm_framebuffer *drm_fb; 834 int arb_burst, arb_lwm; 835 836 NV_DEBUG(drm, "index %d\n", nv_crtc->index); 837 838 /* no fb bound */ 839 if (!atomic && !crtc->primary->fb) { 840 NV_DEBUG(drm, "No FB bound\n"); 841 return 0; 842 } 843 844 /* If atomic, we want to switch to the fb we were passed, so 845 * now we update pointers to do that. 846 */ 847 if (atomic) { 848 drm_fb = passed_fb; 849 } else { 850 drm_fb = crtc->primary->fb; 851 } 852 853 nvbo = nouveau_gem_object(drm_fb->obj[0]); 854 nv_crtc->fb.offset = nvbo->offset; 855 856 if (nv_crtc->lut.depth != drm_fb->format->depth) { 857 nv_crtc->lut.depth = drm_fb->format->depth; 858 nv_crtc_gamma_load(crtc); 859 } 860 861 /* Update the framebuffer format. */ 862 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] &= ~3; 863 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] |= (drm_fb->format->depth + 1) / 8; 864 regp->ramdac_gen_ctrl &= ~NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL; 865 if (drm_fb->format->depth == 16) 866 regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL; 867 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_PIXEL_INDEX); 868 NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_GENERAL_CONTROL, 869 regp->ramdac_gen_ctrl); 870 871 regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitches[0] >> 3; 872 regp->CRTC[NV_CIO_CRE_RPC0_INDEX] = 873 XLATE(drm_fb->pitches[0] >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8); 874 regp->CRTC[NV_CIO_CRE_42] = 875 XLATE(drm_fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11); 876 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_RPC0_INDEX); 877 crtc_wr_cio_state(crtc, regp, NV_CIO_CR_OFFSET_INDEX); 878 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_42); 879 880 /* Update the framebuffer location. */ 881 regp->fb_start = nv_crtc->fb.offset & ~3; 882 regp->fb_start += (y * drm_fb->pitches[0]) + (x * drm_fb->format->cpp[0]); 883 nv_set_crtc_base(dev, nv_crtc->index, regp->fb_start); 884 885 /* Update the arbitration parameters. */ 886 nouveau_calc_arb(dev, crtc->mode.clock, drm_fb->format->cpp[0] * 8, 887 &arb_burst, &arb_lwm); 888 889 regp->CRTC[NV_CIO_CRE_FF_INDEX] = arb_burst; 890 regp->CRTC[NV_CIO_CRE_FFLWM__INDEX] = arb_lwm & 0xff; 891 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_FF_INDEX); 892 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_FFLWM__INDEX); 893 894 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KELVIN) { 895 regp->CRTC[NV_CIO_CRE_47] = arb_lwm >> 8; 896 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_47); 897 } 898 899 return 0; 900 } 901 902 static int 903 nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 904 struct drm_framebuffer *old_fb) 905 { 906 int ret = nv_crtc_swap_fbs(crtc, old_fb); 907 if (ret) 908 return ret; 909 return nv04_crtc_do_mode_set_base(crtc, old_fb, x, y, false); 910 } 911 912 static int 913 nv04_crtc_mode_set_base_atomic(struct drm_crtc *crtc, 914 struct drm_framebuffer *fb, 915 int x, int y, enum mode_set_atomic state) 916 { 917 struct nouveau_drm *drm = nouveau_drm(crtc->dev); 918 struct drm_device *dev = drm->dev; 919 920 if (state == ENTER_ATOMIC_MODE_SET) 921 nouveau_fbcon_accel_save_disable(dev); 922 else 923 nouveau_fbcon_accel_restore(dev); 924 925 return nv04_crtc_do_mode_set_base(crtc, fb, x, y, true); 926 } 927 928 static void nv04_cursor_upload(struct drm_device *dev, struct nouveau_bo *src, 929 struct nouveau_bo *dst) 930 { 931 int width = nv_cursor_width(dev); 932 uint32_t pixel; 933 int i, j; 934 935 for (i = 0; i < width; i++) { 936 for (j = 0; j < width; j++) { 937 pixel = nouveau_bo_rd32(src, i*64 + j); 938 939 nouveau_bo_wr16(dst, i*width + j, (pixel & 0x80000000) >> 16 940 | (pixel & 0xf80000) >> 9 941 | (pixel & 0xf800) >> 6 942 | (pixel & 0xf8) >> 3); 943 } 944 } 945 } 946 947 static void nv11_cursor_upload(struct drm_device *dev, struct nouveau_bo *src, 948 struct nouveau_bo *dst) 949 { 950 uint32_t pixel; 951 int alpha, i; 952 953 /* nv11+ supports premultiplied (PM), or non-premultiplied (NPM) alpha 954 * cursors (though NPM in combination with fp dithering may not work on 955 * nv11, from "nv" driver history) 956 * NPM mode needs NV_PCRTC_CURSOR_CONFIG_ALPHA_BLEND set and is what the 957 * blob uses, however we get given PM cursors so we use PM mode 958 */ 959 for (i = 0; i < 64 * 64; i++) { 960 pixel = nouveau_bo_rd32(src, i); 961 962 /* hw gets unhappy if alpha <= rgb values. for a PM image "less 963 * than" shouldn't happen; fix "equal to" case by adding one to 964 * alpha channel (slightly inaccurate, but so is attempting to 965 * get back to NPM images, due to limits of integer precision) 966 */ 967 alpha = pixel >> 24; 968 if (alpha > 0 && alpha < 255) 969 pixel = (pixel & 0x00ffffff) | ((alpha + 1) << 24); 970 971 #ifdef __BIG_ENDIAN 972 { 973 struct nouveau_drm *drm = nouveau_drm(dev); 974 975 if (drm->client.device.info.chipset == 0x11) { 976 pixel = ((pixel & 0x000000ff) << 24) | 977 ((pixel & 0x0000ff00) << 8) | 978 ((pixel & 0x00ff0000) >> 8) | 979 ((pixel & 0xff000000) >> 24); 980 } 981 } 982 #endif 983 984 nouveau_bo_wr32(dst, i, pixel); 985 } 986 } 987 988 static int 989 nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, 990 uint32_t buffer_handle, uint32_t width, uint32_t height) 991 { 992 struct nouveau_drm *drm = nouveau_drm(crtc->dev); 993 struct drm_device *dev = drm->dev; 994 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 995 struct nouveau_bo *cursor = NULL; 996 struct drm_gem_object *gem; 997 int ret = 0; 998 999 if (!buffer_handle) { 1000 nv_crtc->cursor.hide(nv_crtc, true); 1001 return 0; 1002 } 1003 1004 if (width != 64 || height != 64) 1005 return -EINVAL; 1006 1007 gem = drm_gem_object_lookup(file_priv, buffer_handle); 1008 if (!gem) 1009 return -ENOENT; 1010 cursor = nouveau_gem_object(gem); 1011 1012 ret = nouveau_bo_map(cursor); 1013 if (ret) 1014 goto out; 1015 1016 if (drm->client.device.info.chipset >= 0x11) 1017 nv11_cursor_upload(dev, cursor, nv_crtc->cursor.nvbo); 1018 else 1019 nv04_cursor_upload(dev, cursor, nv_crtc->cursor.nvbo); 1020 1021 nouveau_bo_unmap(cursor); 1022 nv_crtc->cursor.offset = nv_crtc->cursor.nvbo->offset; 1023 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset); 1024 nv_crtc->cursor.show(nv_crtc, true); 1025 out: 1026 drm_gem_object_put(gem); 1027 return ret; 1028 } 1029 1030 static int 1031 nv04_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) 1032 { 1033 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 1034 1035 nv_crtc->cursor.set_pos(nv_crtc, x, y); 1036 return 0; 1037 } 1038 1039 struct nv04_page_flip_state { 1040 struct list_head head; 1041 struct drm_pending_vblank_event *event; 1042 struct drm_crtc *crtc; 1043 int bpp, pitch; 1044 u64 offset; 1045 }; 1046 1047 static int 1048 nv04_finish_page_flip(struct nouveau_channel *chan, 1049 struct nv04_page_flip_state *ps) 1050 { 1051 struct nouveau_fence_chan *fctx = chan->fence; 1052 struct nouveau_drm *drm = chan->drm; 1053 struct drm_device *dev = drm->dev; 1054 struct nv04_page_flip_state *s; 1055 unsigned long flags; 1056 1057 spin_lock_irqsave(&dev->event_lock, flags); 1058 1059 if (list_empty(&fctx->flip)) { 1060 NV_ERROR(drm, "unexpected pageflip\n"); 1061 spin_unlock_irqrestore(&dev->event_lock, flags); 1062 return -EINVAL; 1063 } 1064 1065 s = list_first_entry(&fctx->flip, struct nv04_page_flip_state, head); 1066 if (s->event) { 1067 drm_crtc_arm_vblank_event(s->crtc, s->event); 1068 } else { 1069 /* Give up ownership of vblank for page-flipped crtc */ 1070 drm_crtc_vblank_put(s->crtc); 1071 } 1072 1073 list_del(&s->head); 1074 if (ps) 1075 *ps = *s; 1076 kfree(s); 1077 1078 spin_unlock_irqrestore(&dev->event_lock, flags); 1079 return 0; 1080 } 1081 1082 int 1083 nv04_flip_complete(struct nvif_notify *notify) 1084 { 1085 struct nouveau_cli *cli = (void *)notify->object->client; 1086 struct nouveau_drm *drm = cli->drm; 1087 struct nouveau_channel *chan = drm->channel; 1088 struct nv04_page_flip_state state; 1089 1090 if (!nv04_finish_page_flip(chan, &state)) { 1091 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), 1092 state.offset + state.crtc->y * 1093 state.pitch + state.crtc->x * 1094 state.bpp / 8); 1095 } 1096 1097 return NVIF_NOTIFY_KEEP; 1098 } 1099 1100 static int 1101 nv04_page_flip_emit(struct nouveau_channel *chan, 1102 struct nouveau_bo *old_bo, 1103 struct nouveau_bo *new_bo, 1104 struct nv04_page_flip_state *s, 1105 struct nouveau_fence **pfence) 1106 { 1107 struct nouveau_fence_chan *fctx = chan->fence; 1108 struct nouveau_drm *drm = chan->drm; 1109 struct drm_device *dev = drm->dev; 1110 struct nvif_push *push = chan->chan.push; 1111 unsigned long flags; 1112 int ret; 1113 1114 /* Queue it to the pending list */ 1115 spin_lock_irqsave(&dev->event_lock, flags); 1116 list_add_tail(&s->head, &fctx->flip); 1117 spin_unlock_irqrestore(&dev->event_lock, flags); 1118 1119 /* Synchronize with the old framebuffer */ 1120 ret = nouveau_fence_sync(old_bo, chan, false, false); 1121 if (ret) 1122 goto fail; 1123 1124 /* Emit the pageflip */ 1125 ret = PUSH_WAIT(push, 2); 1126 if (ret) 1127 goto fail; 1128 1129 PUSH_NVSQ(push, NV_SW, NV_SW_PAGE_FLIP, 0x00000000); 1130 PUSH_KICK(push); 1131 1132 ret = nouveau_fence_new(chan, false, pfence); 1133 if (ret) 1134 goto fail; 1135 1136 return 0; 1137 fail: 1138 spin_lock_irqsave(&dev->event_lock, flags); 1139 list_del(&s->head); 1140 spin_unlock_irqrestore(&dev->event_lock, flags); 1141 return ret; 1142 } 1143 1144 static int 1145 nv04_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 1146 struct drm_pending_vblank_event *event, u32 flags, 1147 struct drm_modeset_acquire_ctx *ctx) 1148 { 1149 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 1150 struct drm_device *dev = crtc->dev; 1151 struct nouveau_drm *drm = nouveau_drm(dev); 1152 struct drm_framebuffer *old_fb = crtc->primary->fb; 1153 struct nouveau_bo *old_bo = nouveau_gem_object(old_fb->obj[0]); 1154 struct nouveau_bo *new_bo = nouveau_gem_object(fb->obj[0]); 1155 struct nv04_page_flip_state *s; 1156 struct nouveau_channel *chan; 1157 struct nouveau_cli *cli; 1158 struct nouveau_fence *fence; 1159 struct nv04_display *dispnv04 = nv04_display(dev); 1160 struct nvif_push *push; 1161 int head = nouveau_crtc(crtc)->index; 1162 int ret; 1163 1164 chan = drm->channel; 1165 if (!chan) 1166 return -ENODEV; 1167 cli = (void *)chan->user.client; 1168 push = chan->chan.push; 1169 1170 s = kzalloc(sizeof(*s), GFP_KERNEL); 1171 if (!s) 1172 return -ENOMEM; 1173 1174 if (new_bo != old_bo) { 1175 ret = nouveau_bo_pin(new_bo, NOUVEAU_GEM_DOMAIN_VRAM, true); 1176 if (ret) 1177 goto fail_free; 1178 } 1179 1180 mutex_lock(&cli->mutex); 1181 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL); 1182 if (ret) 1183 goto fail_unpin; 1184 1185 /* synchronise rendering channel with the kernel's channel */ 1186 ret = nouveau_fence_sync(new_bo, chan, false, true); 1187 if (ret) { 1188 ttm_bo_unreserve(&new_bo->bo); 1189 goto fail_unpin; 1190 } 1191 1192 if (new_bo != old_bo) { 1193 ttm_bo_unreserve(&new_bo->bo); 1194 1195 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL); 1196 if (ret) 1197 goto fail_unpin; 1198 } 1199 1200 /* Initialize a page flip struct */ 1201 *s = (struct nv04_page_flip_state) 1202 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0], 1203 new_bo->offset }; 1204 1205 /* Keep vblanks on during flip, for the target crtc of this flip */ 1206 drm_crtc_vblank_get(crtc); 1207 1208 /* Emit a page flip */ 1209 if (swap_interval) { 1210 ret = PUSH_WAIT(push, 8); 1211 if (ret) 1212 goto fail_unreserve; 1213 1214 PUSH_NVSQ(push, NV05F, 0x012c, 0); 1215 PUSH_NVSQ(push, NV05F, 0x0134, head); 1216 PUSH_NVSQ(push, NV05F, 0x0100, 0); 1217 PUSH_NVSQ(push, NV05F, 0x0130, 0); 1218 } 1219 1220 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 1221 1222 ret = nv04_page_flip_emit(chan, old_bo, new_bo, s, &fence); 1223 if (ret) 1224 goto fail_unreserve; 1225 mutex_unlock(&cli->mutex); 1226 1227 /* Update the crtc struct and cleanup */ 1228 crtc->primary->fb = fb; 1229 1230 nouveau_bo_fence(old_bo, fence, false); 1231 ttm_bo_unreserve(&old_bo->bo); 1232 if (old_bo != new_bo) 1233 nouveau_bo_unpin(old_bo); 1234 nouveau_fence_unref(&fence); 1235 return 0; 1236 1237 fail_unreserve: 1238 drm_crtc_vblank_put(crtc); 1239 ttm_bo_unreserve(&old_bo->bo); 1240 fail_unpin: 1241 mutex_unlock(&cli->mutex); 1242 if (old_bo != new_bo) 1243 nouveau_bo_unpin(new_bo); 1244 fail_free: 1245 kfree(s); 1246 return ret; 1247 } 1248 1249 static const struct drm_crtc_funcs nv04_crtc_funcs = { 1250 .cursor_set = nv04_crtc_cursor_set, 1251 .cursor_move = nv04_crtc_cursor_move, 1252 .gamma_set = nv_crtc_gamma_set, 1253 .set_config = drm_crtc_helper_set_config, 1254 .page_flip = nv04_crtc_page_flip, 1255 .destroy = nv_crtc_destroy, 1256 .enable_vblank = nouveau_display_vblank_enable, 1257 .disable_vblank = nouveau_display_vblank_disable, 1258 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, 1259 }; 1260 1261 static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = { 1262 .dpms = nv_crtc_dpms, 1263 .prepare = nv_crtc_prepare, 1264 .commit = nv_crtc_commit, 1265 .mode_set = nv_crtc_mode_set, 1266 .mode_set_base = nv04_crtc_mode_set_base, 1267 .mode_set_base_atomic = nv04_crtc_mode_set_base_atomic, 1268 .disable = nv_crtc_disable, 1269 .get_scanout_position = nouveau_display_scanoutpos, 1270 }; 1271 1272 static const uint32_t modeset_formats[] = { 1273 DRM_FORMAT_XRGB8888, 1274 DRM_FORMAT_RGB565, 1275 DRM_FORMAT_XRGB1555, 1276 }; 1277 1278 static struct drm_plane * 1279 create_primary_plane(struct drm_device *dev) 1280 { 1281 struct drm_plane *primary; 1282 int ret; 1283 1284 primary = kzalloc(sizeof(*primary), GFP_KERNEL); 1285 if (primary == NULL) { 1286 DRM_DEBUG_KMS("Failed to allocate primary plane\n"); 1287 return NULL; 1288 } 1289 1290 /* possible_crtc's will be filled in later by crtc_init */ 1291 ret = drm_universal_plane_init(dev, primary, 0, 1292 &drm_primary_helper_funcs, 1293 modeset_formats, 1294 ARRAY_SIZE(modeset_formats), NULL, 1295 DRM_PLANE_TYPE_PRIMARY, NULL); 1296 if (ret) { 1297 kfree(primary); 1298 primary = NULL; 1299 } 1300 1301 return primary; 1302 } 1303 1304 static int nv04_crtc_vblank_handler(struct nvif_notify *notify) 1305 { 1306 struct nouveau_crtc *nv_crtc = 1307 container_of(notify, struct nouveau_crtc, vblank); 1308 1309 drm_crtc_handle_vblank(&nv_crtc->base); 1310 return NVIF_NOTIFY_KEEP; 1311 } 1312 1313 int 1314 nv04_crtc_create(struct drm_device *dev, int crtc_num) 1315 { 1316 struct nouveau_display *disp = nouveau_display(dev); 1317 struct nouveau_crtc *nv_crtc; 1318 int ret; 1319 1320 nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL); 1321 if (!nv_crtc) 1322 return -ENOMEM; 1323 1324 nv_crtc->lut.depth = 0; 1325 1326 nv_crtc->index = crtc_num; 1327 nv_crtc->last_dpms = NV_DPMS_CLEARED; 1328 1329 nv_crtc->save = nv_crtc_save; 1330 nv_crtc->restore = nv_crtc_restore; 1331 1332 drm_crtc_init_with_planes(dev, &nv_crtc->base, 1333 create_primary_plane(dev), NULL, 1334 &nv04_crtc_funcs, NULL); 1335 drm_crtc_helper_add(&nv_crtc->base, &nv04_crtc_helper_funcs); 1336 drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256); 1337 1338 ret = nouveau_bo_new(&nouveau_drm(dev)->client, 64*64*4, 0x100, 1339 NOUVEAU_GEM_DOMAIN_VRAM, 0, 0x0000, NULL, NULL, 1340 &nv_crtc->cursor.nvbo); 1341 if (!ret) { 1342 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, 1343 NOUVEAU_GEM_DOMAIN_VRAM, false); 1344 if (!ret) { 1345 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 1346 if (ret) 1347 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 1348 } 1349 if (ret) 1350 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); 1351 } 1352 1353 nv04_cursor_init(nv_crtc); 1354 1355 ret = nvif_notify_ctor(&disp->disp.object, "kmsVbl", nv04_crtc_vblank_handler, 1356 false, NV04_DISP_NTFY_VBLANK, 1357 &(struct nvif_notify_head_req_v0) { 1358 .head = nv_crtc->index, 1359 }, 1360 sizeof(struct nvif_notify_head_req_v0), 1361 sizeof(struct nvif_notify_head_rep_v0), 1362 &nv_crtc->vblank); 1363 1364 return ret; 1365 } 1366